Question 928270: find the roots for:
xx + 6 x + 8 = 0
Found 2 solutions by TimothyLamb, MathTherapy:
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! xx + 6 x + 8 = 0
xx + x + 14 = 0
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the above quadratic equation is in standard form, with a=1, b=1 and c=14
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to solve the quadratic equation, by using the quadratic formula, copy and paste this:
1 1 14
into this solver: https://sooeet.com/math/quadratic-equation-solver.php
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the quadratic has two complex roots at:
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x = -0.5 + (3.70809924)i
x = -0.5 - (3.70809924)i
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Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
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Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
Answer by MathTherapy(10552)  (Show Source):
You can put this solution on YOUR website!
find the roots for:
xx + 6 x + 8 = 0
(x + 4)(x + 2) = 0
x + 4 = 0 OR x + 2 = 0
You can do the check!!
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